UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C3gP59W8+1j1zjRMBt/cqYbGbevmktrPbYu8AQLMTrc=' 
WHERE 
  key_id = '52f74a84821c22cec8caacdc33c9803f819a117e466d9538b6f63e803729f3b4' 
  AND (
    token = 'C3gP59W8+1j1zjRMBt/cqYbGbevmktrPbYu8AQLMTrc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )